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Douglas L. Marshall

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Douglas L. Marshall, PhD, CFS

Douglas L. Marshall, PhD, CFS

Chief Scientific Officer

Dr. Marshall is Chief Scientific Officer with Eurofins Microbiology Laboratories, Inc., a division of the global life sciences company Eurofins Scientific.  He is co-founder and Director of the Food Safety Institute, LLC, an integrated consulting and analytical services company affiliated with the Eurofins network of companies.  He is Technical Director for the Refrigerated Foods Association and Microbiology Task Force Chair for the American Spice Trade Association.  His former positions include the following:

  • Associate Dean and Professor of Public Health, College of Natural and Health Sciences, University of Northern Colorado
  • Adjunct Professor with the Colorado School of Public Health and Colorado State University
  • Professor of Food Science, Nutrition, and Health Promotion at Mississippi State University
  • Assistant Professor of Food Science at Louisiana State University
  • Contributing Editor for the peer-reviewed scientific journal Food Microbiology
  • Four consecutive terms on the editorial board of the Journal of Food Protection

He is a frequent volunteer and consultant to trade associations, NIH, WHO, FAO, USDA, and other government agencies and private companies.  His research and expertise has been featured in popular press venues such as Consumer’s Reports, Fine Cooking, USA Today, Fitness, Health, Men’s Health, Chemtech, Nature Science Updates, and ASM Journal Highlights.  He is a frequently invited speaker and a prolific book chapter writer. With over 250 publications, over 300 invited presentations, and over 100 workshops delivered, his scientific research and outreach interests focus on improving the microbiological quality and safety of foods, with emphasis on meat, poultry, seafoods, and produce.  Among these was the completion of the 4 volume Handbook of Food Science, Technology, and Engineering, which he Co-Edited.  He has been the recipient of a number of awards for his scholarly efforts including the Mississippi Chemical Corporation Award of Excellence for Outstanding Work, the International Association for Food Protection Educator and Harold Barnum Industry Awards.  He is a Fellow and former member of the Board of Directors of the Institute of Food Technologists, inaugural Chair of the International Food Science Certification Commission, and former member of the Board of Directors of the American Spice Trade Association. 

On a personal note, early in his career he served as a deck hand on an Alaskan fishing vessel (well before Deadliest Catch) and prefers to spend his free time lost on a trail in the Colorado Rocky Mountains.

Below are resources from Douglas:



In this on-demand webinar, Mollie Van Alst provides a straight-forward explanation of the FDA's proposed changes to the definition of "healthy" on food labels. Original Air Date November 7, 2024.


Understand what an acidified food is, the regulations associated with acidified foods, and different sterilization techniques (thermal processing and cold-fill-hold) for various food products. This guide will help you to determine the classification of a food, and provide resources to aid in processing, FDA filing, and where to go to with further questions.


In this blog, we help you decipher high-level changes coming with Pet Food Label Modernization (PFLM), as well as how to be prepared for the updated guidelines for pet food products.


In this on-demand webinar Doug Marshall and John Scanga explain the latest regulatory challenges in food safety and quality from the FDA and USDA with a focus on the new rules and regulations. Original airdate August 7, 2024.


In this on-demand webinar we'll provide you with the tools and knowledge you need to navigate Amazon's Dietary Supplements Policy. Original airdate April 24, 2024.


Get the latest insights on the Innovative FEED Act and its significance for animal feed ingredients. Read our blog for more information.


This is an on-demand webinar on the Innovative Feed Enhancement and Economic Development (FEED) Act of 2023. Discover how this revolutionary regulatory pathway distinguishes animal feed ingredients as additives, not drugs, promoting innovation, safety, and improved nutrition. Original airdate April 2, 2024.


With so many steps in dietary supplement production, the responsibilities for regulatory compliance quickly becomes complicated. This infographic provides an overview of responsibilities for each stage, including manufacturing, holding, packaging, and for brand owners.


In this on-demand webinar, you will learn essentials of FDA Form 483 observations, compliance responsibilities, and the dietary supplement regulatory landscape. Original airdate November 16, 2023.


The current Good Manufacturing Practice (cGMPs) regulations for dietary supplements in the US were implemented in 2007, but there is still a great deal of enforcement activity by FDA. This white paper will provide an overview of the regulations, but more importantly will highlight some of the most commonly cited issues in FDA Form 483 observations.


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